diff options
Diffstat (limited to 'src/cairo_xlib_surface.c')
| -rw-r--r-- | src/cairo_xlib_surface.c | 90 |
1 files changed, 76 insertions, 14 deletions
diff --git a/src/cairo_xlib_surface.c b/src/cairo_xlib_surface.c index 49abdb56..19dfde50 100644 --- a/src/cairo_xlib_surface.c +++ b/src/cairo_xlib_surface.c @@ -90,6 +90,7 @@ typedef struct cairo_xlib_surface { #define CAIRO_SURFACE_RENDER_HAS_TRIFAN(surface) CAIRO_SURFACE_RENDER_AT_LEAST((surface), 0, 4) #define CAIRO_SURFACE_RENDER_HAS_PICTURE_TRANSFORM(surface) CAIRO_SURFACE_RENDER_AT_LEAST((surface), 0, 6) +#define CAIRO_SURFACE_RENDER_HAS_FILTERS(surface) CAIRO_SURFACE_RENDER_AT_LEAST((surface), 0, 6) static int _CAIRO_FORMAT_DEPTH (cairo_format_t format) @@ -257,7 +258,7 @@ _cairo_xlib_surface_set_image (void *abstract_surface, ximage = XCreateImage (surface->dpy, DefaultVisual(surface->dpy, DefaultScreen(surface->dpy)), - image->depth == 32 ? 24 : image->depth, + image->depth, ZPixmap, 0, image->data, @@ -320,26 +321,29 @@ _cairo_xlib_surface_set_filter (void *abstract_surface, cairo_filter_t filter) cairo_xlib_surface_t *surface = abstract_surface; char *render_filter; - if (!surface->picture) + if (!(surface->picture + && CAIRO_SURFACE_RENDER_HAS_FILTERS(surface))) return CAIRO_STATUS_SUCCESS; - - /* XXX: The Render specification has capitalized versions of these - strings. However, the current implementation is - case-sensitive and expects lowercase versions. - */ + switch (filter) { case CAIRO_FILTER_FAST: - render_filter = "fast"; + render_filter = FilterFast; + break; case CAIRO_FILTER_GOOD: - render_filter = "good"; + render_filter = FilterGood; + break; case CAIRO_FILTER_BEST: - render_filter = "best"; + render_filter = FilterBest; + break; case CAIRO_FILTER_NEAREST: - render_filter = "nearest"; + render_filter = FilterNearest; + break; case CAIRO_FILTER_BILINEAR: - render_filter = "bilinear"; + render_filter = FilterBilinear; + break; default: - render_filter = "best"; + render_filter = FilterBest; + break; } XRenderSetPictureFilter (surface->dpy, surface->picture, @@ -384,6 +388,8 @@ _cairo_xlib_surface_clone_similar (cairo_surface_t *src, if (clone == NULL) return NULL; + _cairo_xlib_surface_set_filter (clone, cairo_surface_get_filter(src)); + _cairo_xlib_surface_set_image (clone, src_image); _cairo_xlib_surface_set_matrix (clone, &(src_image->base.matrix)); @@ -567,6 +573,60 @@ _cairo_xlib_surface_show_page (void *abstract_surface) return CAIRO_INT_STATUS_UNSUPPORTED; } +static cairo_int_status_t +_cairo_xlib_surface_set_clip_region (void *abstract_surface, + pixman_region16_t *region) +{ + Region xregion; + XRectangle xr; + pixman_box16_t *box; + cairo_xlib_surface_t *surf; + int n, m; + + surf = (cairo_xlib_surface_t *) abstract_surface; + + if (region == NULL) { + /* NULL region == reset the clip */ + xregion = XCreateRegion(); + xr.x = 0; + xr.y = 0; + xr.width = surf->width; + xr.height = surf->height; + XUnionRectWithRegion (&xr, xregion, xregion); + } else { + n = pixman_region_num_rects (region); + /* XXX: Are we sure these are the semantics we want for an + * empty, (not null) region? */ + if (n == 0) + return CAIRO_STATUS_SUCCESS; + + box = pixman_region_rects (region); + xregion = XCreateRegion(); + + m = n; + for (; n > 0; --n, ++box) { + xr.x = (short) box->x1; + xr.y = (short) box->y1; + xr.width = (unsigned short) (box->x2 - box->x1); + xr.height = (unsigned short) (box->y2 - box->y1); + XUnionRectWithRegion (&xr, xregion, xregion); + } + } + + XRenderSetPictureClipRegion (surf->dpy, surf->picture, xregion); + XDestroyRegion(xregion); + + return CAIRO_STATUS_SUCCESS; +} + +static cairo_int_status_t +_cairo_xlib_surface_create_pattern (void *abstract_surface, + cairo_pattern_t *pattern, + cairo_box_t *extents) +{ + return CAIRO_INT_STATUS_UNSUPPORTED; +} + static const struct cairo_surface_backend cairo_xlib_surface_backend = { _cairo_xlib_surface_create_similar, _cairo_xlib_surface_destroy, @@ -580,7 +640,9 @@ static const struct cairo_surface_backend cairo_xlib_surface_backend = { _cairo_xlib_surface_fill_rectangles, _cairo_xlib_surface_composite_trapezoids, _cairo_xlib_surface_copy_page, - _cairo_xlib_surface_show_page + _cairo_xlib_surface_show_page, + _cairo_xlib_surface_set_clip_region, + _cairo_xlib_surface_create_pattern }; cairo_surface_t * |